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Compound Interest Calculator - Getting Interest On Interest
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Use the Compound Interest Calculator to determine how much money you would accumulate by investing a given amount of money at a fixed annual rate of return for a specified period in years.

For example, if you invested $1,000 at a 5 percent annual rate of return, after 10 years you would have $1,628.89.

Form Input

On the calculator form, enter only numbers (with or without decimal points).

Do not enter currency symbols like dollar signs, commas or percent signs.


Compound Interest Calculator
Investment Amount:
$
Annual Rate of Return:
      %
Number of Years:
  
Future Value
  
   



This table gives the dollar accumulations after 10 to 100 years. The dollar values reflect your choices in the calculator.

Future Values
Years
Future Value
10
 
20
 
30
 
40
 
50
 
100
 


Computational Notes:

The future value is computed using the following compound interest formula:

      Future Value = Investment Amount * (1 + AnnuaI Rate of Return / 100) ^ Number Years


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